December weather forecast
Porters Ridge, GA

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Weather in December

The first month of the winter, December, is still a cool month in Porters Ridge, Georgia, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 55.2°F (12.9°C).

Temperature

Porters Ridge observes a small decrease in the average high-temperature with the arrival of December, falling from November's enjoyable 61.7°F (16.5°C) to a cool 55.2°F (12.9°C). Porters Ridge throughout December, experiences an average nighttime temperature of 40.3°F (4.6°C).

Humidity

December is the most humid month, with an average relative humidity of 78%.

Rainfall

In Porters Ridge, during December, the rain falls for 12.9 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Porters Ridge, Georgia, during the entire year, the rain falls for 180.5 days and collects up to 40.12" (1019mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Porters Ridge, in December, snow falls for 0.5 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 3.1 snowfall days, and 1.42" (36mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:30 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:40 pm EST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

December temperatures vary between a high-temperature of 55.2°F (12.9°C) and a low-temperature of 40.3°F (4.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 78%.

What is the average humidity in December?

In Porters Ridge, the average relative humidity in December is 78%.

How many days does it rain in December?

In Porters Ridge, in December, during 12.9 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Porters Ridge, in December, during 0.5 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Porters Ridge, with an average of 10h and 0min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:40 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.1h of sunshine.

How many hours of sunshine does Porters Ridge have in December?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in December?

In December, the average daily maximum UV index in Porters Ridge is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Porters Ridge, GA

Average temperature in December - Porters Ridge, GA
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in December: 40.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in December
Porters Ridge, GA

Average pressure in December - Porters Ridge, GA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Porters Ridge, GA

Average wind speed in December - Porters Ridge, GA
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in December
Porters Ridge, GA

Average humidity in December - Porters Ridge, GA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in December
Porters Ridge, GA

Average rainfall in December - Porters Ridge, GA
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in December
Porters Ridge, GA

Average rainfall days in December - Porters Ridge, GA
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Porters Ridge, GA

Average snowfall in December - Porters Ridge, GA
  • Average snowfall in December: 0.28"

The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Porters Ridge, GA

Average snowfall days in December - Porters Ridge, GA
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Porters Ridge, GA

Average daylight in December / Average sunshine in December - Porters Ridge, GA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Porters Ridge, GA

Average sunshine days in December - Porters Ridge, GA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in December
Porters Ridge, GA

Average UV index in December - Porters Ridge, GA
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Porters Ridge, GA

Average cloud cover in December - Porters Ridge, GA
  • Average cloud cover in December: 46

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in December
Porters Ridge, GA

Average visibility in December - Porters Ridge, GA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Porters Ridge, Georgia, USA

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